Yellow fever symptoms and disease
Yellow fever or black vomiting is a viral infectious disease transmitted by mosquitoes in tropical and subtropical regions of Africa and South America. Fever, nausea and pain subside after a few days. In severe cases, however, liver damage, jaundice or blood clotting disorders can be fatal. According to WHO estimates, about 200,000 people contract yellow fever each year, and the disease is fatal in 15% of cases. The African continent accounts for 90% of the infections.
The yellow fever vaccination helps
Since there is no known treatment for yellow fever, the yellow fever vaccination developed by Max Theiler is all the more important. It is considered to be very safe and effective. The live vaccine strain 17D was isolated by Theiler in 1937 from a deceased in Ghana and has since been propagated in incubated chicken eggs. In rare cases, flu-like symptoms occur with vaccination.
Tolerance of the yellow fever vaccination
According to the WHO, the vaccine may not be administered to infants until they are nine months old. In adults over 60 years of age, the risk of severe side effects increases, so their constitution must be checked beforehand. A risk-benefit assessment must also be made in pregnant women, and yellow fever vaccination should be avoided in cases of thymic disease.